(19)
(11) EP 3 914 457 A1

(12)

(43) Date of publication:
01.12.2021 Bulletin 2021/48

(21) Application number: 20704093.2

(22) Date of filing: 21.01.2020
(51) International Patent Classification (IPC): 
B41M 7/00(2006.01)
C09D 11/30(2014.01)
C09D 11/101(2014.01)
 B41M 5/00(2006.01)
C09D 11/38(2014.01)
B41M 3/00(2006.01)
(52) Cooperative Patent Classification (CPC):
B41M 3/008; B41M 5/0023; B41M 7/0081; C09D 11/101; C09D 11/38; C09D 11/40
(86) International application number:
PCT/JP2020/001958
(87) International publication number:
WO 2020/153358 (30.07.2020 Gazette 2020/31)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 22.01.2019 JP 2019008424
28.11.2019 JP 2019214884

(71) Applicant: Ricoh Company, Ltd.
Tokyo 143-8555 (JP)

(72) Inventors:
  • ISHIJIMA, Yukiko
    Tokyo 143-8555 (JP)
  • KOJIMA, Satoshi
    Tokyo 143-8555 (JP)
  • SHIMIZU, Takayuki
    Tokyo 143-8555 (JP)
  • HASEGAWA, Shin
    Tokyo 143-8555 (JP)
  • KOBAYASHI, Hiroki
    Tokyo 143-8555 (JP)
  • MATSUSHITA, Yuuki
    Tokyo 143-8555 (JP)

(74) Representative: Kato, Yumiko 
Marks & Clerk LLP 15 Fetter Lane
London EC4A 1BW
London EC4A 1BW (GB)

   


(54) INK, INK SET, INK CONTAINER, RECORDING METHOD, AND RECORDING APPARATUS